/*
 * Copyright (C) 2016 Facishare Technology Co., Ltd. All Rights Reserved.
 */
package remix.myplayer.misc.floatpermission.rom;

import android.annotation.TargetApi;
import android.app.AppOpsManager;
import android.content.ActivityNotFoundException;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.os.Binder;
import android.os.Build;
import android.util.Log;
import android.widget.Toast;
import java.lang.reflect.Method;

public class HuaweiUtils {

  private static final String TAG = "HuaweiUtils";

  /**
   * 检测 Huawei 悬浮窗权限
   */
  public static boolean checkFloatWindowPermission(Context context) {
    final int version = Build.VERSION.SDK_INT;
    if (version >= 19) {
      return checkOp(context, 24); //OP_SYSTEM_ALERT_WINDOW = 24;
    }
    return true;
  }

  /**
   * 去华为权限申请页面
   */
  public static void applyPermission(Context context) {
    try {
      Intent intent = new Intent();
      intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
//   ComponentName comp = new ComponentName("com.huawei.systemmanager","com.huawei.permissionmanager.ui.MainActivity");//华为权限管理
//   ComponentName comp = new ComponentName("com.huawei.systemmanager",
//      "com.huawei.permissionmanager.ui.SingleAppActivity");//华为权限管理，跳转到指定app的权限管理位置需要华为接口权限，未解决
      ComponentName comp = new ComponentName("com.huawei.systemmanager",
          "com.huawei.systemmanager.addviewmonitor.AddViewMonitorActivity");//悬浮窗管理页面
      intent.setComponent(comp);
      if (RomUtils.getEmuiVersion() == 3.1) {
        //emui 3.1 的适配
        context.startActivity(intent);
      } else {
        //emui 3.0 的适配
        comp = new ComponentName("com.huawei.systemmanager",
            "com.huawei.notificationmanager.ui.NotificationManagmentActivity");//悬浮窗管理页面
        intent.setComponent(comp);
        context.startActivity(intent);
      }
    } catch (SecurityException e) {
      Intent intent = new Intent();
      intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
//   ComponentName comp = new ComponentName("com.huawei.systemmanager","com.huawei.permissionmanager.ui.MainActivity");//华为权限管理
      ComponentName comp = new ComponentName("com.huawei.systemmanager",
          "com.huawei.permissionmanager.ui.MainActivity");//华为权限管理，跳转到本app的权限管理页面,这个需要华为接口权限，未解决
//      ComponentName comp = new ComponentName("com.huawei.systemmanager","com.huawei.systemmanager.addviewmonitor.AddViewMonitorActivity");//悬浮窗管理页面
      intent.setComponent(comp);
      context.startActivity(intent);
      Log.e(TAG, Log.getStackTraceString(e));
    } catch (ActivityNotFoundException e) {
      /**
       * 手机管家版本较低 HUAWEI SC-UL10
       */
//   Toast.makeText(MainActivity.this, "act找不到", Toast.LENGTH_LONG).show();
      Intent intent = new Intent();
      intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
      ComponentName comp = new ComponentName("com.Android.settings",
          "com.android.settings.permission.TabItem");//权限管理页面 android4.4
//   ComponentName comp = new ComponentName("com.android.settings","com.android.settings.permission.single_app_activity");//此处可跳转到指定app对应的权限管理页面，但是需要相关权限，未解决
      intent.setComponent(comp);
      context.startActivity(intent);
      e.printStackTrace();
      Log.e(TAG, Log.getStackTraceString(e));
    } catch (Exception e) {
      //抛出异常时提示信息
      Toast.makeText(context, "进入设置页面失败，请手动设置", Toast.LENGTH_LONG).show();
      Log.e(TAG, Log.getStackTraceString(e));
    }
  }

  @TargetApi(Build.VERSION_CODES.KITKAT)
  private static boolean checkOp(Context context, int op) {
    final int version = Build.VERSION.SDK_INT;
    if (version >= 19) {
      AppOpsManager manager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
      try {
        Class clazz = AppOpsManager.class;
        Method method = clazz.getDeclaredMethod("checkOp", int.class, int.class, String.class);
        return AppOpsManager.MODE_ALLOWED == (int) method
            .invoke(manager, op, Binder.getCallingUid(), context.getPackageName());
      } catch (Exception e) {
        Log.e(TAG, Log.getStackTraceString(e));
      }
    } else {
      Log.e(TAG, "Below API 19 cannot invoke!");
    }
    return false;
  }
}


